/* 顶部 div */
.top_div {
  position: relative;
  padding: 5px 2px;
  width: 100%;
  height: 90px;
  /* border: 1px solid gray; */
  margin-top: 5px;
  padding: 5px;
  margin-bottom: 10px;

  /* display: flex; */
}

/* 
时间 div
 */
 .top_div .data-now {
  position: relative;
  float: left;
  font-size: 12px;
  text-align: center;
  width: 130px;
  height: 70px;
  overflow: hidden;
  border-radius: 10px;
  /* border: 1px solid gray; */
  z-index: -1;
}

/* 具体时间 */
.data-gl {
  position: absolute;
  top: 10px;
  /* border: 1px solid gray; */
  /* border-radius: 10px; */
  width: 100%;
  height: 100%;
}

/* 
时间动画效果
 */
.data-now svg {
  width: 100%;
  height: 100%;
}

.data-now svg #circle {
  width: 100%;
  height: 100%;
  background-color: #21a0ff;
  fill: none;
  stroke-width: 10;
  /* stroke: #000; */
  transform: translate(-1px, -1px);
  stroke-dasharray: 400;
  stroke-dashoffset: 400;
  transition: all .5s;

}

.data-now svg #circle:nth-child(1) {
  stroke-dashoffset: 0;
  stroke: #f3f3f3;

}

.data-now svg #circle:nth-child(2) {
  stroke-dashoffset: calc(400 - 400 * (5 / 100));
  stroke: #21a0ff;

}

#Tis {
  color: red;
}


/* 公式编号 */
.div2 {
  display: flex;
  width: 720px;
  height: auto;
  min-height: 45px;
  min-width: 600px;
  /* border: 1px solid gray; */
  margin: auto;
  padding: 1px;
  text-align: center;
  /* margin-left: 23.5%; */
}

/* 2.准备导航的基本样式 */
ul {
  /* position: absolute; */
  /* /* top: 50%; */
  /* left: 10%;  */
  /* margin: auto; */
  width: auto;
  max-width: 1000px;
  min-width: 500px;
  height: auto;
  margin: auto;
  /* margin-left: 25px; */
  padding: 2px;
  /* transform: translate(-50%, -50%); */
  display: flex;
  list-style: none;
  /* border: 1px solid red; */
  text-align: center;

}

/* 3.1 准备导航里面图标的基本样式 */
ul li {
  position: relative;
  margin: 0 2px;
  width: 40px;
  height: 40px;
  text-align: center;
  /* border: 1px solid gray; */
}

ul li span {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  line-height: 40px;
  font-size: 16px;
  background: #fff;
  color: #262626;
  transform-origin: top;
  text-align: center;
  cursor: pointer;
}

ul li span:nth-child(2) {
  background: #3b5999;
  color: #fff;
  transform-origin: bottom;
  transform: rotateX(90deg) translateY(50%);
}


/* 3.1.1 鼠标悬停 旋转 上移 */
ul li span {
  transition: all 0.5s;
  background-color: #3586e9;
  /* border-right: 1px solid #ebeef5; */
}

ul li span:nth-child(1) {
  transform-origin: top;
}

ul li:hover span:nth-child(1) {
  transform: rotateX(90deg) translateY(-50%);
}

ul li:hover span:nth-child(2) {
  transform: rotateX(0deg) translateY(0);
}

ul li:hover {
  transform: translateY(-10px);
}

/* 3.2 导航下面图标的底色 */
/* ul li:nth-child(1) span:nth-child(2){
  background: #3b5999;
}
ul li:nth-child(2) span:nth-child(2){
  background: #55acce;
}
ul li:nth-child(3) span:nth-child(2){
  background: #dd4b39;
}
ul li:nth-child(4) span:nth-child(2){
  background: #0077b5;
}
ul li:nth-child(5) span:nth-child(2){
  background: #e4405f;
} */

/* 4. 添加底部的阴影效果 */
ul li::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: -10px;
  width: 40px;
  height: 8px;
  background: #000;
  border-radius: 50%;
  transition: .5s;
  opacity: 0;
  filter: blur(2px);
  transform: scale(0.8);

}

ul li:hover::before {
  transition-delay: .5s;
  opacity: .2;
  transform: scale(1);
}


/* iframe */
.div3 {
  /* margin-left: 22.5%;
  margin-top: 20px; */
  overflow: hidden;
  width: 550px;
  height: 1000px;
  margin: 20px auto;
  text-align: center;
  /* border: 1px solid gray; */

}

.my_Iframe {
  width: 100%;
  height: 100%;
  /* frameboder: 0; */
  border: none;
  overflow: hidden;

}
.page {
  display: flex;
  width: 130px;
  height: 30px;
  float: right;
  margin-top: 5px;
  /* border: 1px solid red; */
}

/* 跳转输入框 */
.fanye-1 {
  /* display: block; */
  width: 45%;
  height: 80%;
  padding: 1px;
  border-top-right-radius: 10px;
  border-bottom-right-radius: 10px;
}

/* 跳转按钮 */
#btn-s {
  /* display: block; */
  margin-right: -5px;
  font-size: 13px;
  border: none;
  background-color: rgb(87, 87, 221);
  height: 30px;
  width: 45%;
  border-top-left-radius: 10px;

  border-bottom-left-radius: 10px;

  /* border: 1px solid white; */
}
